2-acetylamino-3-benzo[1,3]dioxol-5-yl-acrylic acid

(4Z)-4-(1,3-苯并二氧戊环-5-基亚甲基)-2-甲基-1,3-恶唑-5(4H)-酮

胡椒醛

2-methyl-4-(3,4-methylenedioxyphenylmethylene)-5(4H)-oxazolone

2-苯基-4-亚哌并-2-噁唑啉-5-酮